Upper and lower wire holder capable of increasing contact surface

Abstract

The utility model relates to the technical field of rubber plate drying, in particular to an upper and lower wire holder capable of increasing a contact surface, which comprises a connector lower seat, a connector upper seat and an input cable, an arc-shaped full-contact connector structure is arranged on the inner side of the connector lower seat, and the arc-shaped full-contact connector structure comprises an insulating arc-shaped groove, a semicircular conducting strip and a positioning ring. The insulating arc-shaped groove is fixedly arranged in the connector lower seat, and the positioning ring is fixedly arranged at the bottom end of the connector upper seat. According to the upper and lower wire holder capable of increasing the contact surface, the semicircular conductive sheets are semicircular metal sheets made of metal copper, the connector lower seat and the connector upper seat are fixed after being butted and spliced, and the metal conductive balls can be in better contact with the semicircular conductive sheets at the lower end by utilizing the design of all-directional fitting of the cambered surface balls; the contact area is greatly increased, the resistance is reduced, and the use effect of the upper and lower wire holders with increased contact surfaces is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit connection seats, in particular to an upper and lower wiring seat with an increased contact surface. Background Technique

[0002] The connection between the existing 10 kV power cable and the 10 kV pole-mounted circuit breaker equipment all adopts a terminal connection. However, only one side of the existing terminal can contact the circuit breaker equipment, resulting in serious heating of the copper bus due to insufficient contact area, and even affecting the stable operation of the line.

[0003] For example, the connector lower seat with an increased grounding wire contact surface, with the publication number "CN206673234U", although there is an annular card slot on the side wall of the concentric insulating plugging ring arranged in the outermost ring, and an annular conductive metal ring is embedded in the annular card slot, and the annular conductive metal ring is connected to the grounding conductive metal sheet, increasing the conductive contact surface, thus effectively protecting the ground, being safe and reliable. However, for the existing connector lower seat with an increased grounding wire contact surface, due to the use of multiple-stage concentric insulating plugging rings to increase the contact area, the concentric insulating plugging rings can only increase the installation area of the upper connector above. For current transmission, it still relies on multiple protruding metal sheets for conduction. Therefore, the contact area of the metal sheet conductive part of the connector lower seat with an increased grounding wire contact surface has not been significantly improved. So, the contact area at the contact position of the connector is too small, which will generate a relatively large resistance, not only easily accumulating heat and increasing the temperature, but also causing the current output to be blocked, reducing the use effect of the connector lower seat with an increased grounding wire contact surface.

[0004] At the same time, for the existing connector lower seat with an increased grounding wire contact surface, since the connection between the connector lower seat and the upper seat is only fixed by the friction force on the inner side after mutual plugging, when the installed connector lower seat with an increased grounding wire contact surface is subjected to external bumps or impacts, the connector housing is prone to deformation and depression. In this way, the acting force of the concentric insulating plugging ring to fix the connector upper seat due to deformation will be weakened, so the connection of the connector lower seat with an increased grounding wire contact surface is not firm. Summary of the Invention

[0005] The purpose of the utility model is to solve the problems of poor use effect and insecure connection of the connector lower seat with an increased grounding wire contact surface, and to propose an upper and lower wiring seat with an increased contact surface.

[0006] To achieve the above object, the present utility model provides the following technical solution: an upper and lower wiring seat with an increased contact surface, comprising a connector lower seat, a connector upper seat, and an input cable. The top end of the connector lower seat is movably connected to the lower part of the connector upper seat. An arc-shaped full-contact connector structure is provided inside the connector lower seat. The arc-shaped full-contact connector structure includes an insulating arc groove, a semi-circular conductive sheet, and a positioning ring. The insulating arc groove is fixedly opened inside the connector lower seat. A semi-circular conductive sheet is fixedly installed above the insulating arc groove. The positioning ring is fixedly installed at the bottom end of the connector upper seat. A metal conductive ball is fixedly installed inside the positioning ring. Two output cables are fixedly connected to both sides of the semi-circular conductive sheet. Two fuses are fixedly installed outside the two output cables.

[0007] Preferably, the input cable is fixedly connected to the top end of the connector upper seat. The top end of the metal conductive ball is connected to the input cable. The outside of the metal conductive ball is movably connected to the outside of the semi-circular conductive sheet.

[0008] Preferably, connector locking and fixing structures are provided on both sides of the connector lower seat;

[0009] The connector locking and fixing structure includes a reserved groove, a rotary knob, and a connecting block;

[0010] Two of the reserved grooves are fixedly opened at the top end of the connector lower seat. Two of the connecting blocks are fixedly installed at the lower end of the positioning ring. Two fitting grooves are fixedly opened on the outside of the two connecting blocks. Two clamping blocks are fixedly opened at both ends of the two fitting grooves. The two connecting blocks are movably connected inside the reserved grooves. Two rotary knobs are slidably connected to both sides of the two reserved grooves. Insertion pieces are fixedly installed at the ends of the two rotary knobs.

[0011] Preferably, the ends of the two insertion pieces are movably connected to the inside of the fitting groove. The outside of the two insertion pieces is movably connected to the clamping block.

[0012] Preferably, a support platform is fixedly installed at the lower end of the connector lower seat. The inside of the support platform is movably connected to the output cable.

[0013] Preferably, a connector installation structure is provided at the bottom end of the support platform;

[0014] The connector installation structure includes a mounting plate, bolts, and a rotating column;

[0015] The rotating column is rotatably connected to the bottom end of the support platform through a bearing. A mounting plate is fixedly installed at the bottom end of the rotating column. Multiple bolts are threadedly connected to the outside of the mounting plate. Nuts are threadedly sleeved at the ends of the multiple bolts. The bottom end of the mounting plate is movably connected to a base. The inside of the base is threadedly connected to the multiple bolts.

[0016] A kind of upper and lower wiring seats with increased contact surface proposed by the utility model has the beneficial effects that: the semicircular conductive sheet is made of metallic copper, the diameter of the semicircular conductive sheet conforms to the insulating arc-shaped groove, the positioning ring is used to fit above the lower connector seat, and can be fixed after the docking and fitting between the lower connector seat and the upper connector seat. The metal conductive ball can better contact with the lower semicircular conductive sheet by using the design of all-round fitting of the arc-shaped sphere, greatly increasing the contact area, reducing the resistance, and improving the use effect of the upper and lower wiring seats with increased contact surface.

[0017] After the top end of the lower connector seat fits and docks with the positioning ring at the lower end of the upper connector seat, the two rotary knobs will drive the insertion piece to be horizontally inserted into the cavities on both sides of the reserved groove. In this way, the insertion piece will be horizontally located in the splicing groove inside the connection block, fixing the connection block and the reserved groove. By using the rotary knobs to drive the insertion piece, the locking and fixing between the upper connector seat and the lower connector seat after docking is realized, reducing the situation that the connector is not firmly plugged and easily falls off after being damaged and deformed, and improving the connection effect of the upper and lower wiring seats with increased contact surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a partial three-dimensional schematic diagram of the utility model;

[0019] Figure 2 is Figure 1 the front cross-sectional schematic diagram of

[0020] Figure 3 is Figure 1 the top cross-sectional schematic diagram of

[0021] Figure 4 is Figure 2 the enlarged cross-sectional view of part A in

[0022] Figure 5 is Figure 2 the enlarged cross-sectional view of part B in

[0023] Figure 6 is Figure 2 the enlarged schematic diagram of part C in

[0024] In the figure: 1. Lower connector seat, 2. Upper connector seat, 3. Input cable, 4. Base, 5. Arc-shaped full-contact connector structure, 51. Insulating arc-shaped groove, 52. Semicircular conductive sheet, 53. Positioning ring, 54. Metal conductive ball, 55. Fuse, 56. Output cable, 6. Connector locking and fixing structure, 61. Reserved groove, 62. Rotary knob, 63. Insertion piece, 64. Connection block, 65. Splicing groove, 66. Clamping block, 7. Connector installation structure, 71. Installation plate, 72. Bolt, 73. Nut, 74. Rotating column, 8. Support platform. Detailed implementation mode

[0025] The present utility model will be further described below in conjunction with the accompanying drawings:

[0026] Please refer to Figures 1-6 , an upper and lower wiring seat for increasing the contact surface, comprising a connector lower seat 1, a connector upper seat 2 and an input cable 3. The top end of the connector lower seat 1 is movably connected to the lower part of the connector upper seat 2. An arc-shaped full-contact connector structure 5 is arranged inside the connector lower seat 1. The arc-shaped full-contact connector structure 5 includes an insulating arc groove 51, a semi-circular conductive sheet 52 and a positioning ring 53. The insulating arc groove 51 is fixedly arranged inside the connector lower seat 1. The insulating arc groove 51 adopts a semi-circular cavity structure with a layer of rubber pad arranged at the bottom end. A semi-circular conductive sheet 52 is fixedly installed above the insulating arc groove 51. The semi-circular conductive sheet 52 is a semi-circular metal sheet made of metal copper. The diameter of the semi-circular conductive sheet 52 is the same as that of the insulating arc groove 51. The positioning ring 53 is fixedly installed at the bottom end of the connector upper seat 2. The positioning ring 53 is used to fit the upper part of the connector lower seat 1;

[0027] A metal conductive ball 54 is fixedly installed inside the positioning ring 53. The metal conductive ball 54 is made of a copper-nickel alloy with good conductivity. The radian of the metal conductive ball 54 is the same as that of the semi-circular conductive sheet 52. It can be fixed after the docking and splicing between the connector lower seat 1 and the connector upper seat 2. Two output cables 56 are fixedly connected to both sides of the semi-circular conductive sheet 52. A fuse 55 is fixedly installed outside the two output cables 56. The fuse 55 is made of a lead-antimony alloy wire. When the output cable 56 has a short circuit or the current increases, the fuse 55 will melt to protect the circuit intact. The input cable 3 is fixedly connected to the top end of the connector upper seat 2. The metal conductive ball 54 can better contact with the lower semi-circular conductive sheet 52 together by using the design of all-round fitting of the arc surface sphere, greatly increasing the contact area, reducing the resistance. The top end of the metal conductive ball 54 is connected to the input cable 3, and the outside of the metal conductive ball 54 is movably connected to the outside of the semi-circular conductive sheet 52;

[0028] The insulating arc-shaped groove 51 adopts a semi-circular cavity structure with a layer of rubber pad at the bottom end. The semi-circular conductive sheet 52 is a semi-circular metal sheet made of copper. The diameter of the semi-circular conductive sheet 52 is the same as that of the insulating arc-shaped groove 51. The positioning ring 53 is used to fit above the lower connector base 1. The metal conductive ball 54 is made of a copper-nickel alloy with good electrical conductivity. The radian of the metal conductive ball 54 is the same as that of the semi-circular conductive sheet 52. It can be fixed after the docking and fitting between the lower connector base 1 and the upper connector base 2. The fuse 55 is made of a lead-antimony alloy wire. When the output cable 56 is short-circuited or the current increases, the fuse 55 will melt to protect the circuit intact. The metal conductive ball 54 can better contact with the lower semi-circular conductive sheet 52 by using the design of all-round fitting of the arc-shaped sphere, greatly increasing the contact area, reducing the resistance, and improving the use effect of the upper and lower connection seats with increased contact surfaces.

[0029] Please refer to Figures 1-6 , locking and fixing structures 6 are provided on both sides of the lower connector base 1. The locking and fixing structures 6 include reserved slots 61, rotary knobs 62 and connection blocks 64. The two reserved slots 61 are fixedly opened at the top end of the lower connector base 1. After the top end of the lower connector base 1 is fitted and docked with the positioning ring 53 at the lower end of the upper connector base 2, the connection blocks 64 at the lower end of the positioning ring 53 will be inserted into the corresponding reserved slots 61. The two connection blocks 64 are fixedly installed at the lower end of the positioning ring 53. Two fitting slots 65 are fixedly opened on the outer sides of the two connection blocks 64. Two clamping blocks 66 are fixedly opened at both ends of the two fitting slots 65. The two connection blocks 64 are movably connected to the inner sides of the reserved slots 61;

[0030] Two rotary knobs 62 are slidably connected to both sides of the two reserved slots 61. The two rotary knobs 62 will drive the insertion pieces 63 to be inserted horizontally into the cavities on both sides of the reserved slots 61. In this way, the insertion pieces 63 will be horizontally located in the fitting slots 65 inside the connection blocks 64. Then, when the rotary knobs 62 are rotated clockwise by 90 degrees, the insertion pieces 63 will stand vertically. The shape and size of the vertically arranged insertion pieces 63 match the fitting slots 61. The parts exceeding the two side edges of the insertion pieces 63 are pressed against the front ends of the clamping blocks 66. The clamping blocks 66 can limit the positions of the insertion pieces 63, fixing the connection blocks 64 to the reserved slots 61. The ends of the two rotary knobs 62 are fixedly installed with insertion pieces 63. The ends of the two insertion pieces 63 are movably connected to the inner sides of the fitting slots 65. The outer sides of the two insertion pieces 63 are movably connected to the clamping blocks 66;

[0031] After the top end of the lower connector seat 1 fits and docks with the positioning ring 53 at the lower end of the upper connector seat 2, the connecting block 64 at the lower end of the positioning ring 53 will be inserted into the corresponding reserved slot 61. The two rotary knobs 62 will drive the insertion piece 63 to be horizontally inserted into the cavities on both sides of the reserved slot 61. In this way, the insertion piece 63 will be horizontally located in the fitting groove 65 inside the connecting block 64. Then, rotate the rotary knob 62 clockwise by 90 degrees, and the insertion piece 63 will stand vertically. The vertically arranged insertion piece 63 has a shape and size that fits and mates with the fitting groove 61. The parts extending beyond the two side edges of the insertion piece 63 abut against the front end of the locking block 66. The locking block 66 can limit the position of the insertion piece 63, fixing the connecting block 64 and the reserved slot 61. By using the rotary knob to drive the insertion piece 63, the upper and lower connector seats 2 and 1 after docking are locked and fixed, reducing the occurrence of the situation that the connector is not firmly plugged and is likely to fall off after being damaged and deformed, and improving the connection effect of the upper and lower wiring seats with increased contact surfaces.

[0032] Please refer to Figures 1-6 , a support platform 8 is fixedly installed at the lower end of the lower connector seat 1. The inner side of the support platform 8 is movably connected to the output cable 56. A connector mounting structure 7 is provided at the bottom end of the support platform 8. The support platform 8 is used to connect the lower rotating column 74 and the upper lower connector seat 1. The connector mounting structure 7 includes a mounting plate 71, bolts 72 and a rotating column 74. The rotating column 74 is rotatably connected to the bottom end of the support platform 8 through a bearing. A mounting plate 71 is fixedly installed at the bottom end of the rotating column 74. Multiple bolts 72 are threadedly connected to the outer side of the mounting plate 71. The ends of the multiple bolts 72 are threadedly sleeved with multiple nuts 73. The bottom end of the mounting plate 71 is movably connected to a base 4. The base 4 can be installed and fixed at a designated position where it is needed. The base 4 and the mounting plate 71 are close to each other. Pass the multiple bolts 72 through between the mounting plate 71 and the base 4, and use the screwed nuts 73 to squeeze and fix them, which installs the mounting and fixing of the upper and lower wiring seats with increased contact surfaces. The inner side of the base 4 is threadedly connected to the multiple bolts 72.

[0033] Working principle:

[0034] When using the upper and lower wiring seats with increased contact surfaces for efficient contact docking of cable lines:

[0035] The circular contact surface increasing docking structure of the upper and lower wiring seats with increased contact surfaces:

[0036] The insulating arc-shaped groove 51 adopts a semi-circular cavity structure with a layer of rubber pad at the bottom end. The semi-circular conductive sheet 52 is a semi-circular metal sheet made of copper. The diameter of the semi-circular conductive sheet 52 is consistent with that of the insulating arc-shaped groove 51. The positioning ring 53 is used to fit above the lower seat 1 of the connector. The metal conductive ball 54 is made of a copper-nickel alloy with good electrical conductivity. The radian of the metal conductive ball 54 is the same as that of the semi-circular conductive sheet 52. It can be fixed after the docking and fitting between the lower seat 1 of the connector and the upper seat 2 of the connector. The fuse 55 is made of a lead-antimony alloy wire. When the output cable 56 is short-circuited or the current increases, the fuse 55 will melt to protect the circuit intact. The metal conductive ball 54 can better contact with the lower semi-circular conductive sheet 52 by using the design of the all-round fitting of the arc-shaped sphere, greatly increasing the contact area and reducing the resistance.

[0037] A firm connection structure for the upper and lower connection seats that increases the contact surface:

[0038] After the positioning ring 53 at the top end of the lower seat 1 of the connector fits and docks with the lower end of the upper seat 2 of the connector, the connecting block 64 at the lower end of the positioning ring 53 will insert into the corresponding reserved slot 61. The two rotary knobs 62 will drive the insertion piece 63 to horizontally insert into the cavities on both sides of the reserved slot 61. In this way, the insertion piece 63 will be horizontally located in the fitting groove 65 inside the connecting block 64. Then, rotate the rotary knob 62 clockwise by 90 degrees, and the insertion piece 63 will stand vertically. The shape and size of the vertically arranged insertion piece 63 match and fit with the fitting groove 61. The parts exceeding the two side edges of the insertion piece 63 will press tightly against the front end of the clamping block 66. The clamping block 66 can limit the position of the insertion piece 63, fixing the connecting block 64 and the reserved slot 61. By using the rotary knob to drive the insertion piece 63, the upper seat 2 and the lower seat 1 of the connector after docking and connection are locked and fixed, reducing the situation that the connector is not firmly plugged and is prone to falling off after being damaged and deformed.

[0039] For the upper and lower connection seats that increase the contact surface:

[0040] The bottom end of the mounting plate 71 is movably connected to the base 4. The base 4 can be installed and fixed at the designated position where it is needed. The base 4 and the mounting plate 71 are close to each other. A plurality of bolts 72 are passed through between the mounting plate 71 and the base 4, and fixed by screwing the nuts 73 to install the fixing of the upper and lower connection seats that increase the contact surface.

[0041] Although the present utility model has been illustrated and described by referring to the preferred embodiments, those of ordinary skill in the art should understand that various changes in form and details can be made within the scope of the claims.

Claims

1. An upper and lower terminal block for increasing the contact surface, comprising a connector lower seat (1), a connector upper seat (2) and an input cable (3), characterized in that: The top end of the lower connector base (1) is movably connected to the lower part of the upper connector base (2). An arc-shaped full-contact connector structure (5) is provided inside the lower connector base (1). The arc-shaped full-contact connector structure (5) includes an insulating arc groove (51), a semi-circular conductive sheet (52), and a positioning ring (53). The insulating arc groove (51) is fixedly opened inside the lower connector base (1). Above the insulating arc groove (51), a semi-circular conductive sheet (52) is fixedly installed. The positioning ring (53) is fixedly installed at the bottom end of the upper connector base (2). Inside the positioning ring (53), a metal conductive ball (54) is fixedly installed. On both sides of the semi-circular conductive sheet (52), two output cables (56) are fixedly connected. Outside the two output cables (56), a fuse (55) is fixedly installed.

2. The upper and lower terminal blocks for increasing the contact surface according to claim 1, characterized in that: The input cable (3) is fixedly connected to the top end of the upper connector base (2). The top end of the metal conductive ball (54) is connected to the input cable (3), and the outside of the metal conductive ball (54) is movably connected to the outside of the semi-circular conductive sheet (52).

3. The upper and lower terminal blocks for increasing the contact surface according to claim 1, characterized in that: On both sides of the lower connector base (1), a connector locking and fixing structure (6) is provided; The connector locking and fixing structure (6) includes a reserved groove (61), a rotary knob (62), and a connecting block (64); Two of the reserved grooves (61) are fixedly opened at the top end of the lower connector base (1). Two of the connecting blocks (64) are fixedly installed at the lower end of the positioning ring (53). On the outside of the two connecting blocks (64), two mating grooves (65) are fixedly opened. At both ends of the two mating grooves (65), locking blocks (66) are fixedly opened. The two connecting blocks (64) are movably connected inside the reserved grooves (61). On both sides of the two reserved grooves (61), the rotary knobs (62) are slidably connected. At the ends of the two rotary knobs (62), insertion pieces (63) are fixedly installed.

4. The upper and lower terminal blocks for increasing the contact surface according to claim 3, wherein: The ends of the two insertion pieces (63) are movably connected to the inside of the mating groove (65), and the outside of the two insertion pieces (63) is movably connected to the locking blocks (66).

5. The upper and lower terminal blocks for increasing the contact surface according to claim 1, characterized in that: At the lower end of the lower connector base (1), a support platform (8) is fixedly installed. The inside of the support platform (8) is movably connected to the output cable (56).

6. The upper and lower terminal blocks for increasing the contact surface according to claim 5, characterized in that: At the bottom end of the support platform (8), a connector mounting structure (7) is provided; The connector mounting structure (7) includes a mounting plate (71), bolts (72), and a rotating column (74); The rotating column (74) is rotatably connected to the bottom end of the support platform (8) through a bearing. At the bottom end of the rotating column (74), a mounting plate (71) is fixedly installed. On the outside of the mounting plate (71), multiple bolts (72) are threadedly connected. At the ends of the multiple bolts (72), multiple nuts (73) are threadedly sleeved. The bottom end of the mounting plate (71) is movably connected to a base (4). The inside of the base (4) is threadedly connected to the multiple bolts (72).

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